1
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Shagufta, Ahmad I, Nelson DJ, Hussain MI, Nasar NA. Potential of covalently linked tamoxifen hybrids for cancer treatment: recent update. RSC Med Chem 2024; 15:1877-1898. [PMID: 38911170 PMCID: PMC11187546 DOI: 10.1039/d3md00632h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Accepted: 04/14/2024] [Indexed: 06/25/2024] Open
Abstract
Cancer is a complex disease and the second leading cause of death globally, and breast cancer is still a leading cause of cancer death in women. Tamoxifen is the most commonly used drug for breast cancer (ER-positive) treatment and chemoprevention, saving the lives of millions of patients every year. In addition, the tamoxifen template has been explored extensively for the development of selective estrogen receptor modulators (SERMs) applicable in breast cancer, osteoporosis, and postmenopausal symptom treatment. Numerous anticancer drugs, including tamoxifen, are in use, but the complexity and heterogeneous nature of cancer complicate the effect of conventional targeted drugs, leading to adverse reactions and resistance. One of the significant approaches to overcome these shortcomings is drug hybrids, generated by covalently linking two or more active pharmacophores. These drug hybrids are remarkably effective in acting on multiple drug targets with higher selectivity and specificity. In recent years, several tamoxifen hybrids have been discovered as potential candidates for cancer treatment. The review highlights the recent progress in developing anticancer hybrids, including organometallic, fluorescent, photocaged, and novel ligand-based tamoxifen hybrids. It also demonstrates the significance of merging various pharmacophores with tamoxifen to produce more potent, precise, and effective anticancer agents. The study offers valuable knowledge to researchers working on cancer research with the hope of enhancing drug potency and reducing drug toxicity to improve cancer patients' lives.
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Affiliation(s)
- Shagufta
- Department of Biotechnology, School of Arts and Sciences, American University of Ras Al Khaimah Ras Al Khaimah United Arab Emirates
| | - Irshad Ahmad
- Department of Biotechnology, School of Arts and Sciences, American University of Ras Al Khaimah Ras Al Khaimah United Arab Emirates
| | - Donna J Nelson
- Department of Chemistry and Biochemistry, The University of Oklahoma Norman Oklahoma USA
| | - Maheen Imtiaz Hussain
- Department of Biotechnology, School of Arts and Sciences, American University of Ras Al Khaimah Ras Al Khaimah United Arab Emirates
| | - Noora Ali Nasar
- Department of Biotechnology, School of Arts and Sciences, American University of Ras Al Khaimah Ras Al Khaimah United Arab Emirates
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2
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Fröhlich T, Mai C, Bogautdinov RP, Morozkina SN, Shavva AG, Friedrich O, Gilbert DF, Tsogoeva SB. Synthesis of Tamoxifen-Artemisinin and Estrogen-Artemisinin Hybrids Highly Potent Against Breast and Prostate Cancer. ChemMedChem 2020; 15:1473-1479. [PMID: 32374071 PMCID: PMC7496903 DOI: 10.1002/cmdc.202000174] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 05/01/2020] [Indexed: 01/02/2023]
Abstract
In the search for new and effective treatments of breast and prostate cancer, a series of hybrid compounds based on tamoxifen, estrogens, and artemisinin were successfully synthesized and analyzed for their in vitro activities against human prostate (PC-3) and breast cancer (MCF-7) cell lines. Most of the hybrid compounds exhibit a strong anticancer activity against both cancer cell lines - for example, EC50 (PC-3) down to 1.07 μM, and EC50 (MCF-7) down to 2.08 μM - thus showing higher activities than their parent compounds 4-hydroxytamoxifen (afimoxifene, 7; EC50 =75.1 (PC-3) and 19.3 μM (MCF-7)), dihydroartemisinin (2; EC50 =263.6 (PC-3) and 49.3 μM (MCF-7)), and artesunic acid (3; EC50 =195.1 (PC-3) and 32.0 μM (MCF-7)). The most potent compounds were the estrogen-artemisinin hybrids 27 and 28 (EC50 =1.18 and 1.07 μM, respectively) against prostate cancer, and hybrid 23 (EC50 =2.08 μM) against breast cancer. These findings demonstrate the high potential of hybridization of artemisinin and estrogens to further improve their anticancer activities and to produce synergistic effects between linked pharmacophores.
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Affiliation(s)
- Tony Fröhlich
- Organic Chemistry Chair I and Interdisciplinary Center for Molecular Materials (ICMM)Friedrich-Alexander University of Erlangen-NürnbergNikolaus-Fiebiger-Straße 1091058ErlangenGermany
| | - Christina Mai
- Organic Chemistry Chair I and Interdisciplinary Center for Molecular Materials (ICMM)Friedrich-Alexander University of Erlangen-NürnbergNikolaus-Fiebiger-Straße 1091058ErlangenGermany
| | | | | | | | - Oliver Friedrich
- Institute of Medical BiotechnologyFriedrich-Alexander University of Erlangen-NürnbergPaul-Gordan-Straße 391052ErlangenGermany
| | - Daniel F. Gilbert
- Institute of Medical BiotechnologyFriedrich-Alexander University of Erlangen-NürnbergPaul-Gordan-Straße 391052ErlangenGermany
| | - Svetlana B. Tsogoeva
- Organic Chemistry Chair I and Interdisciplinary Center for Molecular Materials (ICMM)Friedrich-Alexander University of Erlangen-NürnbergNikolaus-Fiebiger-Straße 1091058ErlangenGermany
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3
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Figliola C, Marchal E, Groves BR, Thompson A. A step-wise synthetic approach is necessary to access γ-conjugates of folate: folate-conjugated prodigiosenes. RSC Adv 2019; 9:14078-14092. [PMID: 35519339 PMCID: PMC9064012 DOI: 10.1039/c9ra01435g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 04/23/2019] [Indexed: 11/21/2022] Open
Abstract
Despite the vast literature that describes reacting folic acid with a pharmacophore, this route is ineffective in providing the correct regioisomer of the resulting conjugate. We herein present a step-wise route to the preparation of nine folate conjugates of the tripyrrolic prodigiosene skeleton. The strict requirement for step-wise construction of the folate core is demonstrated, so as to achieve conjugation at only the desired γ-carboxylic acid and thus maintain the α-carboxylic site for folate receptor (FRα) recognition. Linkages via ethylenediamine, polyethylene glycol and glutathione are demonstrated. Despite the vast literature that describes reacting folic acid with a pharmacophore, this route is ineffective in providing the correct regioisomer of the resulting conjugate.![]()
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4
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Savoie H, Figliola C, Marchal E, Crabbe BW, Hallett-Tapley GL, Boyle RW, Thompson A. Photo-induced anticancer activity and singlet oxygen production of prodigiosenes. Photochem Photobiol Sci 2018; 17:599-606. [PMID: 29648558 DOI: 10.1039/c8pp00060c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The photo-induced cytotoxicity of prodigiosenes is reported. One prodigiosene represents a synthetic analogue of the natural product prodigiosin, and two are conjugated to molecules that target the estrogen receptor (ER). A comparison of incubation and irradiation frameworks for the three prodigiosenes is reported, with activity against ER- and ER+ lines explored. Furthermore, the ability of the three prodigiosenes to photosensitise the production of singlet oxygen is demonstrated, shedding mechanistic light onto possible photodynamic therapeutic effects of this class of tripyrroles.
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Affiliation(s)
- Huguette Savoie
- Department of Chemistry, University of Hull, Cottingham Road, Hull, HU6 7RX, UK.
| | - Carlotta Figliola
- Department of Chemistry, Dalhousie University, PO BOX 15000, Halifax, NS B3H 4R2, Canada.
| | - Estelle Marchal
- Department of Chemistry, Dalhousie University, PO BOX 15000, Halifax, NS B3H 4R2, Canada.
| | - Bry W Crabbe
- Department of Chemistry, St. Francis Xavier University, PO Box 5000, Antigonish, NS B2G 2 W5, Canada.
| | - Geniece L Hallett-Tapley
- Department of Chemistry, St. Francis Xavier University, PO Box 5000, Antigonish, NS B2G 2 W5, Canada.
| | - Ross W Boyle
- Department of Chemistry, University of Hull, Cottingham Road, Hull, HU6 7RX, UK.
| | - Alison Thompson
- Department of Chemistry, Dalhousie University, PO BOX 15000, Halifax, NS B3H 4R2, Canada.
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5
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Marchal E, Figliola C, Thompson A. Prodigiosenes conjugated to tamoxifen and estradiol. Org Biomol Chem 2018. [PMID: 28628182 DOI: 10.1039/c7ob00943g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We report the synthesis of the first click-appended prodigiosene conjugates. Four prodigiosene conjugates of estradiol functionalised at the 7α-position were prepared, as were three prodigiosene conjugates of tamoxifen. The coupling between a prodigiosene and an 11-hydroxy estradiol derivative via an ether linkage was investigated, as was the 11- and 7-functionalisation of the estradiol core. The robustness of estradiol protecting groups was severely challenged by reactions typically used to equip such frameworks for 11- and 7-functionalisation. Specifically, and important to synthesis involving estradiol, TBS, TMS and THP are not useful protecting groups for the functionalisation of this core. When the chemical features of the therapeutic agent limit the choice of protecting group (in this case, prodigiosenes bearing aryl, NH, alkenyl and ester groups), click chemistry becomes an attractive synthetic strategy. The anti-cancer activity of the seven click prodigiosene conjugates was evaluated.
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Affiliation(s)
- Estelle Marchal
- Department of Chemistry, Dalhousie University, PO BOX 15000, Halifax, NS B3H 4R2, Canada.
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6
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Shagufta, Ahmad I. Tamoxifen a pioneering drug: An update on the therapeutic potential of tamoxifen derivatives. Eur J Med Chem 2018; 143:515-531. [DOI: 10.1016/j.ejmech.2017.11.056] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 10/25/2017] [Accepted: 11/20/2017] [Indexed: 12/13/2022]
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7
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Enzalutamide inhibits testosterone-induced growth of human prostate cancer xenografts in zebrafish and can induce bradycardia. Sci Rep 2017; 7:14698. [PMID: 29089623 PMCID: PMC5665934 DOI: 10.1038/s41598-017-14413-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 10/11/2017] [Indexed: 12/20/2022] Open
Abstract
The zebrafish has become a popular human tumour xenograft model, particularly for solid tumours including prostate cancer (PCa). To date PCa xenotransplantation studies in zebrafish have not been performed in the presence of testosterone, even when employing androgen-dependent cell models, such as the LNCaP cell line. Thus, with the goal of more faithfully modelling the hormonal milieu in which PCa develops in humans, we sought to determine the effects of exogenous testosterone on the growth of LNCaP, or androgen-independent C4-2 cells xenografted into zebrafish embryos. Testosterone significantly increased engrafted LNCaP proliferation compared to control xenografts, which could be inhibited by co-administration of the anti-androgen receptor drug, enzalutamide. By contrast, C4-2 cell growth was not affected by either testosterone or enzalutamide. Enzalutamide also induced bradycardia and death in zebrafish embryos in a dose-dependent manner and strongly synergized with the potassium-channel blocking agent, terfenadine, known to induce long QT syndrome and cardiac arrhythmia. Together, these data not only indicate that testosterone administration should be considered in all PCa xenograft studies in zebrafish but also highlights the unique opportunity of this preclinical platform to simultaneously evaluate efficacy and toxicity of novel therapies and/or protective agents towards developing safer and more effective PCa treatments.
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8
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Lund KLAR, Figliola C, Kajetanowicz AK, Thompson A. Synthesis and anticancer activity of prodigiosenes bearing C-ring esters and amides. RSC Adv 2017. [DOI: 10.1039/c7ra01628j] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Ten novel prodigiosenes with anticancer activity.
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9
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Li J, Zhang Q, Yin J, Yu C, Cheng K, Wei Y, Hao E, Jiao L. Metal-Free and Versatile Synthetic Routes to Natural and Synthetic Prodiginines from Boron Dipyrrin. Org Lett 2016; 18:5696-5699. [DOI: 10.1021/acs.orglett.6b02924] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jin Li
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Qian Zhang
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Jian Yin
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Changjiang Yu
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Kai Cheng
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Yun Wei
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Erhong Hao
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
| | - Lijuan Jiao
- Laboratory
of Functional
Molecular Solids, Ministry of Education; School of Chemistry and Materials
Science, Anhui Normal University, Wuhu 241000, China
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10
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Abstract
Estrogen receptors (ERs) are a group of compounds named for their importance in both menstrual and estrous reproductive cycles. They are involved in the regulation of various processes ranging from tissue growth maintenance to reproduction. Their action is mediated through ER nuclear receptors. Two subtypes of the estrogen receptor, ERα and ERβ, exist and exhibit distinct cellular and tissue distribution patterns. In humans, both receptor subtypes are expressed in many cells and tissues, and they control key physiological functions in various organ systems. Estrogens attract great attention due to their wide applications in female reproductive functions and treatment of some estrogen-dependent cancers and osteoporosis. This paper provides a general review of ER ligands published in international journals patented between 2013 and 2015. The broad physiological profile of estrogens has attracted the attention of many researchers to develop new estrogen ligands as therapeutic molecules for various clinical purposes. After the discovery of the ERβ receptor, subtype-selective ligands could be used to elicit beneficial estrogen-like activities and reduce adverse side effects, based on the different distributions and relative levels of the two ER subtypes in different estrogen target tissues. Therefore, recent literature has focused on selective estrogen ligands as highly promising agents for the treatment of some types of cancer, as well as for cardiovascular, inflammatory, and neurodegenerative diseases. Estrogen receptors are nuclear transcription factors that are involved in the regulation of many complex physiological functions in humans. Selective estrogen ligands are highly promising targets for treatment of some types of cancer, as well as for cardiovascular, inflammatory and neurodegenerative diseases. Extensive structure-activity relationship studies of ER ligands based on small molecules indicate that many different structural scaffolds may provide high-affinity compounds, provided that some basic structural requirements are present.
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11
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Kancharla P, Kelly JX, Reynolds KA. Synthesis and Structure-Activity Relationships of Tambjamines and B-Ring Functionalized Prodiginines as Potent Antimalarials. J Med Chem 2015; 58:7286-309. [PMID: 26305125 PMCID: PMC11177801 DOI: 10.1021/acs.jmedchem.5b00560] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Synthesis and antimalarial activity of 94 novel bipyrrole tambjamines (TAs) and a library of B-ring functionalized tripyrrole prodiginines (PGs) against a panel of Plasmodium falciparum strains are described. The activity and structure-activity relationships demonstrate that the ring-C of PGs can be replaced by an alkylamine, providing for TAs with retained/enhanced potency. Furthermore, ring-B of PGs/TAs can be substituted with short alkyl substitutions at either 4-position (replacement of OMe) or 3- and 4-positions without impacting potency. Eight representative TAs and two PGs have been evaluated for antimalarial activity against multidrug-resistant P. yoelii in mice in the dose range of 5-100 mg/kg × 4 days by oral administration. The KAR425 TA offered greater efficacy than previously observed for any PG, providing 100% protection to malaria-infected mice until day 28 at doses of 25 and 50 mg/kg × 4 days, and was also curative in this model in a single oral dose (80 mg/kg). This study presents the first account of antimalarial activity in tambjamines.
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Affiliation(s)
- Papireddy Kancharla
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Jane Xu Kelly
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
- Department of Veterans Affairs Medical Center, Portland, Oregon 97239, United States
| | - Kevin A. Reynolds
- Department of Chemistry, Portland State University, Portland, Oregon 97201, United States
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12
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Marchal E, Uddin MI, Hawco CL, Thompson A. Synthesis of prodigiosene–estrogen conjugates: optimization of protecting group strategies and anticancer properties. CAN J CHEM 2015. [DOI: 10.1139/cjc-2014-0516] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The tripyrrolic prodigiosene skeleton was conjugated to several estrogen ligands. The conjugation was achieved via an ester linker that proved to be unusually sensitive to hydrolysis during synthesis. This work describes the determination of an appropriate protecting group for the hydroxy groups of the estrogen linker. The anticancer properties of the target prodigiosene–estrogen conjugates were evaluated against breast cancer cells and some show selectivity for ER+ breast cancer cell lines.
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Affiliation(s)
- Estelle Marchal
- Department of Chemistry, Dalhousie University, P.O. Box 15000, Halifax, NS B3H 4R2, Canada
- Department of Chemistry, Dalhousie University, P.O. Box 15000, Halifax, NS B3H 4R2, Canada
| | - Md. Imam Uddin
- Department of Chemistry, Dalhousie University, P.O. Box 15000, Halifax, NS B3H 4R2, Canada
- Department of Chemistry, Dalhousie University, P.O. Box 15000, Halifax, NS B3H 4R2, Canada
| | - Cassandra L.A. Hawco
- Department of Chemistry, Dalhousie University, P.O. Box 15000, Halifax, NS B3H 4R2, Canada
- Department of Chemistry, Dalhousie University, P.O. Box 15000, Halifax, NS B3H 4R2, Canada
| | - Alison Thompson
- Department of Chemistry, Dalhousie University, P.O. Box 15000, Halifax, NS B3H 4R2, Canada
- Department of Chemistry, Dalhousie University, P.O. Box 15000, Halifax, NS B3H 4R2, Canada
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13
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Kancharla P, Lu W, Salem SM, Kelly JX, Reynolds KA. Stereospecific synthesis of 23-hydroxyundecylprodiginines and analogues and conversion to antimalarial premarineosins via a Rieske oxygenase catalyzed bicyclization. J Org Chem 2014; 79:11674-89. [PMID: 25380131 PMCID: PMC4260665 DOI: 10.1021/jo5023553] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Indexed: 12/11/2022]
Abstract
Facile and highly efficient synthetic routes for the synthesis of (S)- and (R)-23-hydroxyundecylprodiginines ((23S)-2, and (23R)-2), 23-ketoundecylprodiginine (3), and deuterium-labeled 23-hydroxyundecylprodiginine ([23-d]-2) have been developed. We demonstrated a novel Rieske oxygenase MarG catalyzed stereoselective bicyclization of (23S)-2 to premarineosin A (4), a key step in the tailoring process of the biosynthesis of marineosins, using a marG heterologous expression system. The synthesis of various A-C-ring functionalized prodiginines 32-41 was achieved to investigate the substrate promiscuity of MarG. The two analogues 32 and 33 exhibit antimalarial and cytotoxic activities stronger than those of the marineosin intermediate 2, against Plasmodium falciparum strains (CQ(S)-D6, CQ(R)-Dd2, and 7G8) and hepatocellular HepG2 cancer cell line, respectively. Feeding of 34-36 to Streptomyces venezuelae expressing marG led to production of novel premarineosins, paving a way for the production of marineosin analogues via a combinatorial synthetic/biosynthetic approach. This study presents the first example of oxidative bicyclization mediated by a Rieske oxygenase.
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Affiliation(s)
- Papireddy Kancharla
- Department
of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Wanli Lu
- Department
of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Shaimaa M. Salem
- Department
of Chemistry, Portland State University, Portland, Oregon 97201, United States
| | - Jane Xu Kelly
- Department
of Chemistry, Portland State University, Portland, Oregon 97201, United States
- Department
of Veterans Affairs Medical Center, Portland, Oregon 97239, United States
| | - Kevin A. Reynolds
- Department
of Chemistry, Portland State University, Portland, Oregon 97201, United States
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14
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Marchal E, Rastogi S, Thompson A, Davis JT. Influence of B-ring modifications on proton affinity, transmembrane anion transport and anti-cancer properties of synthetic prodigiosenes. Org Biomol Chem 2014; 12:7515-22. [DOI: 10.1039/c4ob01399a] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We describe how modulating the pKaof a family of synthetic prodigiosenes, modified on their B-ring, can control the transmembrane transport of anions.
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Affiliation(s)
| | - Soumya Rastogi
- Department of Chemistry and Biochemistry
- University of Maryland
- College Park, USA
| | | | - Jeffery T. Davis
- Department of Chemistry and Biochemistry
- University of Maryland
- College Park, USA
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15
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Marchal E, Smithen DA, Uddin MI, Robertson AW, Jakeman DL, Mollard V, Goodman CD, MacDougall KS, McFarland SA, McFadden GI, Thompson A. Synthesis and antimalarial activity of prodigiosenes. Org Biomol Chem 2014; 12:4132-42. [DOI: 10.1039/c3ob42548g] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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